﻿body
{
    margin:0px;
}

.topmenu
{
    height:0px;
    background-color:Aqua;
}

.bottom
{
    background-color:Green;
    position: absolute;
    top: 0px;
    left: 0px;
    bottom: 0px;
    right: 0px;
    height:auto;
    width:auto;
}
.leftmenu
{
    width:230px;
    height:100%;
    background-color:White;
}
.content
{
    background-color:Red;
    position:absolute;
    top: 0px;
    left: 230px;
    bottom: 0px;
    right: 0px;
}